Saw-guard.



No. 7\3,\96. Patented Nov w. B. BENNETT. A

SAW GUARD. (Application led May 6, 1902.)

(No Modem 'NITED STATES viPnfrnNr FFICE.

WILLIAM B. BENNETT, OF `GRAND RAPIDS, MICHIGAN.

SAW-G UARD.

SPECIFICATION forming part of Letters Patent No. 713,196, dated November11, 1902.

Application filed May 6, 1902. Serial No. 106,182. (No model.)

To @llink/0711, it may concern:

Be it known that I, WILLIAM B. BENNETT, a citizen of the United States,residing at Grand Rapids, in the county of Kent andz device adapted tobe readily appliedto a saw,

and capable of protecting the saw and of pre- Venting the dust fromflying into the face and eyes of the operator.

A further object of the invention is to increase the strength anddurability of sawgnards and to enable the same to be readily adjusted toaline them properly with a saw and to provide simple and efficient meansfor spreading the material to prevent the same from pinching the saw.

Another object of the invention is to provide a spreading device of thischaracter which will permit the material to be readily drawn backwardwithout catching upon it or the saw.

The invention consists in the construction and novel combination andarrangement of parts hereinafter fullydcscribed, illustrated in theaccompanying drawings, and pointed out in the claims hereto appended.

In the drawings, Figure 1V is a perspective View of a saw-guardconstructed in accordance with this invention and shown appliedA to asaw. Fig. 2 is a longitudinal sectional View, the spreader being shownin elevation. Fig. 3 is a detail sectional'view on the line 3 3 of Fig.2, illustrating the construction of the front and rear edges of thespreader. 4 is a detail View of the adjustable clamp or holder. Y

Like numerals of reference designate corresponding parts in all thefigures of the drawings.

l designates a hood or saw-guard proper, forming a cap for a saw 2,adapted to prevent anything from falling upon the saw and capable alsoof keeping the dust from the face of the operator, and the said guard,which is provided with sides or flanges, is supported I at the rear bytransverse lugs 4 and 5, which are bifurcated for the reception of theupper end of the spreader 6; The bifurcation 7 of the lug 5 forms ashoulder, which rests upon the upper endof the spreader, and the rearlug and the sidesof the guard are perforated for thereception of anadjusting-screw 8, which also passes through a perforation 9 of thespreader. The slot or bifurcation of the rear lugV extends to within ashort distance of the top of the guard, and the perforation at one sideof the .lug 4 is threaded for the reception'of the threaded portion ofthe screw Si,n which is adapted torcompress the sides of the lugssufficiently to cause the hood to bind against the upper end of thespreader, whereby the hood is effectually prevented from vibrating. Bypreventing the hood from Vibratingthe upper end of the parts are alsoprevented from wearing out at the perforation 9. The bolt o1' screw 8pivots the guard to the spreader, and it may be readily loosened topermit the hood or guard to be swung backward from over the saw. Theupper portion of the spreader is tapered, as clearly shown in Fig. 2 ofthe drawings, and the slots or bifurcations of thelngs 4 and 5 formaseat for the spreader.

' The spreader, which consists of a thin steel blade, is provided at itsupper portion with a front oppositely-beveled edge 11, which is adaptedto readily enter the kerf cut by the saw in the material, and it willspread the said material and prevent the same from pinching the saw. Therear edge 12 of the upper portion of the spreader is rounded or beveledto prevent the spreader from catching the material should the latter bedrawn backward from the sawbefore completing the cut.,

The lower portion 13 of the spreader is provided with a slot orbifurcation 14 and is engaged by a clamp or holder which is adjustablysecured to a saw-table 16. The clamp or holder consists of an uprightplate 15 and a jaw 17, consisting of a plate having inclined front andrear flanges. 18 and arranged at an inclination. The plate 15 isprovided with a longitudinal slot 19, and the front and rear inclinedanges 18 have tongues or projections 20, extending into the horizontalslot 19 and preventing the jaw from rotatingon ICD the clamping-bolt 2l.The clamping-bolt 2l is provided with a thumb-nut 22, and it extendsthrough the slot or bifurcation I4 of the lower portion of the spreader.The jaw is provided with a block 23 of wood or other suitable materialwhich engages the inner face of the lower portion of the spreader andoffsets the jaw from the plate to cause the former to clear the saw,which operates close to the upper portion of the jaw at the front of thesame.

The plate is provided at its top with a horizontal flange 24, havingslots 25 arranged transversely of it and extending to the edge of theflange and receiving bolts or other suitable fastening devices forsecuring the clamp or holder to the saw-table. By this construction theclamp or holder may be readily adjusted to aline the spreader properlywith the saw. The longitudinal slot 19 permits the clamping-jaw to beadjusted backward and forward on the plate l5, and the clamp permits thespreader to be adjusted to raise and lower the hood, while the slots 25permit any lateral adjustment of the saw-guard. The hood is also adaptedto prevent the material being cut from rising and getting upon the topof the saw.

Vhat I claim isl. A saw-guard forming a cap and consisting of atop andsides and provided at its rear portion with bifurcated lugs locatedbetween the sides, and a spreader pivoted in the slot or bifurcation ofone lug and extending into the slot or bifurcation of the other lug andsupporting the hood, substantially as described.

2. A saw-guard comprising a hood, a spreader supporting the hood, anadjustable plate, and a clamp receiving the spreader and provided withside flanges slidably interlocked with the adjustable plate,substantially as described.

3. A saw-guard comprising an adjustable plate having a slot, a clampprovided with side flanges having tongues extending into the slot, aspreader arranged in the clamp, a fastening device operating in the saidslot and holding the clamp in engagement with the spreader and securingthe said clamp to the adjustable plate, and a hood supported by thespreader, substantially as described.

4. A saw-guard comprising an adjustable plate having a slot, a clampprovided with side flanges having tongues extending into the slot, aspreader arranged in the clamp, a block also located in the clamp andinterposed between the spreader and the adjustable plate, a fasteningdevice operating in the slot and connecting the clamp the block and theplate and securing the spreader in its adjustment, and a hood supportedby the spreader, substantially as described.

In testimony that I claim the foregoing as my own I have hereto affixedmy signature in the presence of two witnesses.

WILLIAM B. BENNETT.

Witnesses:

JOSEPH O. BELLAIR, CHARLES STAHR.

